2,568 open source boards in Audio
Amplifiers, DACs, synthesizers, Eurorack modules, MIDI and guitar pedals. Every board here is a public GitHub project with its KiCad files, read for size, layers and parts. Pick one close to your design and simulate its firmware on HardLabs before you build it.
Simplemix
VincentPeters
94 × 151.3 mm41 parts2LNo license9
Unified jig
ervanalb
49.5 × 39.4 mm4 parts2LNo license8
Adapter soic16
jypma
14.8 × 21.6 mm3 parts2LNo license8
ToggleSwitch wH 1U23HP3x1Bv2
MostlyCoraGrace
116.5 × 39.7 mm13 parts2LMIT6
Synthesizer-IF-Si4112
oresat
34 × 31 mm40 parts4LNo license5
Panel top right
apaleslimghost
193 × 80 mm34 parts2LMIT5
Yaesu-GX16
open-headset-interconnect-standard
27.3 × 38.1 mm5 parts2LCC-BY-4.05
Kailh sw
eigenlucy
10 × 10 mm4 parts2LMIT5
ESP32KXKM esp remote control module
KomplexKapharnaum
48.9 × 70.8 mm20 parts2LMIT4
STM32Electronic Load
Synthron
160 × 100 mm102 parts4LNo license3
Rf amplifier modulino
OpenAir-Lab
41 × 41 mm50 parts4LMIT3
NXPSAX 3 dev
tomcombriat
142.2 × 90.4 mm44 parts2LTAPR-OHL-1.03
FilterDaughterboard
mit-ll
26.7 × 28.1 mm33 parts4LCustom license3
XPS:PS-AC
yu2924
85 × 97 mm10 parts2LCC0-1.03
STM32Sub Oscillator
JordanAceto
39.4 × 78.7 mm84 parts2LCC-BY-4.02
Output conn ODU 7x6 16ch fwd
stockmann-lab
72 × 114 mm46 parts4LNo license2
ASDR
PancakeLegend
50 × 100 mm40 parts2LGPL-3.02
DEitW
velvia-fifty
100 × 100 mm98 parts2LCC-BY-NC-4.01
Unbalanced Analog Audio Input Board for Small DSP
Gemuesesaft
80 × 40 mm84 parts4LGPL-3.01
AVR/ArduinoInterrupter
iduwhux
79.3 × 97 mm80 parts2LNo license1
Josh Ox Ribbon Synth Mod Osc board
123.2 × 76.2 mm68 parts2LCC-BY-4.01
Switch
msayad97
128.8 × 109.3 mm53 parts2LNo license1
Power bus
adeboni
420 × 40 mm34 parts2LGPL-3.01
AVR/ArduinoBms test circuit
Wierdwizard2587
94.5 × 58.4 mm27 parts2LNo license1
Anoden Stabi
FordPrfkt
100 × 80 mm24 parts2LNo license1
Audio amp lm386 mk1 REMOTE 2992
andrsmllr
90.1 × 57.2 mm22 parts2LNo license1
RP2040/RP2350Virgil Motor
da-penguin-guy
20 × 114 mm19 parts2LNo license1
Speaker-SAO
AerospaceVillage
24.7 × 98.1 mm5 parts2LNo license1
RISC-VDAC HPA
ooyang0325
120 × 100 mm470 parts4LNo license0
NXPQuad Preamp and 4-Channel Ambisonic Recorder
jdg511
138 × 114 mm242 parts4LNo license0
RP2040/RP2350Imu electrical filled
dcuccia
44.5 × 48.4 mm84 parts4LMIT0
Nref batterypack
cetola
75 × 17 mm83 parts4LNo license0
PHASE-SHIFTER
Desval27
160 × 100 mm79 parts2LMIT0
Cem3340-module
blthree
98.4 × 82.3 mm78 parts2LNo license0
ESP32GSwitch BRAIN - ESP32-S3 hoofdbord
MarkWestbroek
100 × 70 mm65 parts2LMIT0
02 loop env
bmurauer
30 × 100 mm53 parts2LNo license0
Browse boards by part
AMS1117-3.3 1261USBLC6-2SC6 1030RP2040 714W25Q128JVS 441AP2112K-3.3 400TL072 342ESP32-S3-WROOM-1 314TL074 308CH340C 287L7805 28374HC595 258Pico 256USBLC6-2P6 256LM358 233AP2112K-3.3TRG1 21974LS04 204Arduino_Nano_v3.x 201ESP32-WROOM-32 199LM7805_TO220 19774LS245 17874LS138 174SRV05-4 17474LS32 171W25Q128JVSIQ 171